Question

How can DNA be used to help solve a crime?

Answer 1

Each person’s DNA is unique.

Scientists use variable regions in DNA to create a DNA profile.

DNA samples can be taken from blood, bone, hair, or other body tissues and

products.

DNA from a crime scene can be compared to DNA from a suspect.

DNA typing can be used to solve old cases.

Answer 2

DNA found in the evidence of the crime scene can be compared to that of the potential suspects to help convict/find the criminal.